<template>
  <div class="user">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDiakogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" width="50%" label="序号"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <!-- 状态开关 -->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <!-- 自定义按钮 -->
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改按钮 -->

            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->

            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>

            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDiakogVisible" width="50%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px">
        <!-- 用户名 -->
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDiakogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配用户角色的对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClose">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>
          分配新角色
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in roleList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
export default {
  name: "user",
  data() {
    /**
     * 验证邮箱的校验器
     */
    const checkEmail = (rule, value, cb) => {
      const regMail = /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/;
      if (regMail.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    /**
     * 验证手机号的校验器
     */
    const checkMobile = (rule, value, cb) => {
      const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的手机号"));
    };

    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 5
      },
      userList: [],
      total: 0,
      // 控制添加用户的对话框显示与隐藏
      addDiakogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: ""
      },
      // 添加用户的表单规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            require: true,
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur"
          }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            require: true,
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur"
          }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          {
            require: true,
            min: 8,
            max: 40,
            message: "长度在 8 到 40 个字符",
            trigger: "blur"
          },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          {
            require: true,
            min: 7,
            max: 15,
            message: "长度在 7 到 15 个字符",
            trigger: "blur"
          },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      //控制编辑对话框的显示与隐藏
      editDialogVisible: false,

      //编辑按钮按id查询到的用户数据
      editForm: {},
      //编辑框表单规则
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          {
            require: true,
            min: 8,
            max: 40,
            message: "长度在 8 到 40 个字符",
            trigger: "blur"
          },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          {
            require: true,
            min: 7,
            max: 15,
            message: "长度在 7 到 15 个字符",
            trigger: "blur"
          },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      /**
       * 控制显示分配角色的对话框
       */
      setRoleDialogVisible: false,
      /**
       * 需要被分配角色的用户信息
       */
      userInfo: {},
      /**
       * 所有的角色列表
       */
      roleList: [],
      /**
       * 已选中的角色id值
       */
      selectedRoleId:''
    };
  },
  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  methods: {
    /**
     * 获取用户列表
     */
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      if (res.meta.status != 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userList = res.data.users;
      this.total = res.data.total;
      // console.log(res);
    },

    /**
     * 监听pagesize改变的事件
     */
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      // console.log(newSize)
      this.getUserList();
    },

    /**
     * 监听页码值改变
     */
    handleCurrentChange(newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },

    /**
     * 用户状态改变
     */
    async userStateChanged(userInfo) {
      // console.log(userInfo);
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error("更新用户状态失败!");
      }
      this.$message.success("更新用户状态成功");
    },

    /**
     * 新增用户表单还原
     */
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },

    /**
     * 添加用户
     */
    addUser() {
      this.$refs.addFormRef.validate(async vaild => {
        // console.log(vaild);
        if (!vaild) return;
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          return this.$message.error("添加用户成功");
        }
        this.$message.success("添加用户成功");
        this.addDiakogVisible = false;
        this.getUserList();
      });
    },

    /**
     * 弹出修改用户的对话框
     */
    async showEditDialog(id) {
      // console.log(id);
      const { data: res } = await this.$http.get(`users/${id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户列表失败");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },

    /**
     * 监听修改用户对话框的关闭事件
     *
     */
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },

    /**
     * 修改用户事件的提交
     */
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) {
          return this.$message.error("请输入合法数据");
        } else {
          const { data: res } = await this.$http.put(
            `users/` + this.editForm.id,
            {
              email: this.editForm.email,
              mobile: this.editForm.mobile
            }
          );
          if (res.meta.status !== 200) {
            return this.$message.error("更新用户失败");
          }
          this.editDialogVisible = false;
          this.getUserList();
          this.$message.success("更新用户成功");
        }
      });
    },

    /**
     * 删除按钮的点击事件
     */
    async removeUserById(id) {
      // console.log(id);
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      ).catch(err => err);
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      // console.log(confirmResult)
      const { data: res } = await this.$http.delete(`users/${id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("删除用户失败");
      }
      this.$message.success("删除用户成功");
      this.getUserList();
    },

    /**
     * 点击分配角色
     */
    async setRole(userInfo) {
      this.setRoleDialogVisible = true;
      this.userInfo = userInfo;
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        return this.$message.error("获取角色列表失败");
      }
      this.roleList = res.data;
    },

    /**
     * 分配角色
     */
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择将要分配的角色')
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid:this.selectedRoleId
      })
      if(res.meta.status!==200){
        return this.$message.error('更新角色失败')
      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },

    /**
     * 表单关闭的重置项
     */
    setRoleDialogClose(){
      this.userInfo = ''
      this.selectedRoleId = ''
    }
  },
  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  created() {
    this.getUserList();
  }
};
</script>

<style lang="less" scoped>
.user {
}
</style>